Voice-Controlled and Wireless Solid Set Canopy Delivery (VCW-SSCD) System for Mist-Cooling

Yiannis Ampatzidis, Josh Kiner, Reza Abdolee and Louise Ferguson
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Yiannis Ampatzidis: Department of Physics and Engineering, California State University, 9001 Stockdale Highway, Bakersfield, CA 93311, USA
Josh Kiner: Department of Computer and Electrical Engineering and Computer Science, California State University, 9001 Stockdale Highway, Bakersfield, CA 93311, USA
Reza Abdolee: Department of Computer and Electrical Engineering and Computer Science, California State University, 9001 Stockdale Highway, Bakersfield, CA 93311, USA
Louise Ferguson: Department of Plant Sciences, University of California, Wickson Hall, CA 95616, USA

Sustainability, 2018, vol. 10, issue 2, 1-14

Abstract: California growers in the San Joaquin Valley believe that climate change will affect the pistachio yield dramatically. As the central valley fog disappears, insufficient dormant chill accumulation results in poor flowering synchrony, flower quality, and fruit set in this dioecious species. We have developed a novel, user-friendly, and low-cost Voice-Controlled Wireless Solid Set Canopy Delivery (VCW-SSCD) system to increase bud chill accumulation with evaporative cooling on sunny (winter) days. This system includes: (i) an automated solid-state canopy delivery (SSCD) system; (ii) a wireless weather-, crop-related data acquisition system; (iii) a Voice-Controlled (VC) system using Amazon Alexa; (iv) a mobile application to visualize the collected data and wirelessly control the SSCD system; and (v) a smart control system. The proposed system was deployed and evaluated in a commercial pistachio orchard in Bakersfield, CA. The system worked well with no reported errors. Results demonstrated the system’s ability to cool bud temperatures in a low relative humidity climate. At an ambient temperature of 10–20 °C, bud temperatures were lowered 5–10 °C.

Keywords: Pistacia vera cv. “Kernan”; voice control; internet of things; wireless network; misting; pistachio; microelectronics; Alexa Amazon; tree dormancy; chill offset (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2018
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